Worked on enhancing the Langfuse trace integration within the deepset-ai/haystack-core-integrations repository, focusing on improving stability and performance. Addressed a TypeError by introducing parent span handling and ensuring proper span lifecycle management, which increased the reliability of the tracing pipeline. Refactored the tracing method to support multiple concurrent runs and reduced latency, enabling more efficient and robust trace operations. Utilized Python for both debugging and API integration, with a strong emphasis on thorough testing to validate changes. The work centered on backend improvements, targeting the core tracing infrastructure to deliver a more dependable and maintainable system for future development.